Health economic evaluations of visceral leishmaniasis treatments: a systematic review

dc.contributor.authorMarinho, Daniel S.
dc.contributor.authorCasas, Carmen N. P. R.
dc.contributor.authorPereira, Claudia Cristina de Aguiar
dc.contributor.authorLeite, Iuri C.
dc.description.abstractVisceral leishmaniasis (VL) is a severe form of the leishmaniasis-disease complex. Its importance to public health relies on its high fatality rate in non-treated cases, the socio-economic impact related to its morbidity, and its endemicity on different continents. The estimated burden of disease of VL varies from 1,969,000 to 2,357,000 Disability Adjusted Life Years (DALYs). VL is classified as a Neglected Tropical Disease (NTD), and is strongly related to poverty and its consequences. Visceral leishmaniasis calls for the development of cost-effective technologies for diagnosis and treatment. Objective: The main objective of this study was to identify, describe, classify and analyze the scientific health economic evidence of VL-related technologies. Methods: A web search of combinations of free text and Mesh terms related to the economic evaluation of visceral leishmaniasis was conducted on scientific publication databases (Web of Science, Scopus, Medline via the Pubmed and Lilacs). A manual search of references lists of articles previously identified by the authors was also included. Articles written in English, Portuguese, Spanish or French were considered suitable for inclusion. Articles that matched the inclusion criteria were screened by at least two researchers, who extracted information regarding the epidemiologic scenario and methodological issues on a standardized form. Results: The initial search retrieved 107 articles, whose abstracts were inspected according to the inclusion criteria leading to a first selection of 49 (46%) articles. After the elimination of duplicates, the list was reduced to 21 (20%) articles. After careful reading and application of exclusion criteria, 14 papers were eligible according to the description, classification and analysis process proposed by the study. When classified by type of economic evaluation, articles were 7 (50%) cost-effectiveness, 5 (36%) cost-minimization, 1(7%) cost-benefit, and 1(7%) budget impact. When classified by methodology, studies were mainly nested to clinical-trials (“piggy back”) 8(57%). Discount rates for outcomes and costs were present in 3 (43%) of the cost-effectiveness studies, and according to WHO's recommendations, the discount rate of 3% was used in all studies. Conclusions: This article showed that health economic evaluations on visceral leishmaniasis used a wide range of technologies and methods. Nevertheless it is important to point out the geographic concentration of studies, which makes their transferability uncertain to different epidemiological scenarios, especially those concerning visceral leishmaniasis caused by Leishmania infantum.en
dc.identifier.citationMarinho DS, Casas CNPR, Pereira CCdA, Leite IC (2015) Health Economic Evaluations of Visceral Leishmaniasis Treatments: A Systematic Review. PLoS Negl Trop Dis 9(2): e0003527.
dc.identifier.otherDOI: 10.1371/journal.pntd.0003527
dc.publisherPLoS Neglected Tropical Diseases
dc.subjectHealth economicsen
dc.subjectInfectious diseasesen
dc.subject.meshLeishmaniasis, Visceral / prevention & controlen
dc.subject.meshLeishmaniasis, Visceral / economicsen
dc.subject.meshLeishmaniasis, Visceral / drug therapyen
dc.subject.meshCost-Benefit Analysisen
dc.titleHealth economic evaluations of visceral leishmaniasis treatments: a systematic reviewen
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